def test_reaction_from_text_catalog_num():
rxn = Reaction.from_text("""\
Reagent Stock Volume MM? Cat
======= ===== ======= === ===
w to 8 µL yes
x 2x 3 µL no 101
""")
assert rxn['w'].catalog_num == ''
assert rxn['x'].catalog_num == '101'
def test_reaction_from_text_flags():
rxn = Reaction.from_text("""\
Reagent Stock Volume MM? Flags
======= ===== ======= === =====
w to 8 µL yes a
x 2x 3 µL no a,b
""")
assert rxn['w'].flags == {'a'}
assert rxn['x'].flags == {'a', 'b'}
def test_reaction_from_text(text, volume, reagents):
rxn = Reaction.from_text(text)
assert len(rxn) == len(reagents)
assert rxn.volume == volume
for name, expected in reagents.items():
volume, stock_conc, master_mix = expected
if volume != ...: assert rxn[name].volume == volume
if stock_conc != ...: assert rxn[name].stock_conc == stock_conc
if master_mix != ...: assert rxn[name].master_mix == master_mix
def test_reaction_from_text_raises(text, err):
with pytest.raises(UsageError, match=err):
Reaction.from_text(text)